Person

Nils Johan Engelsen

This person is no longer with EPFL

Ambizione FellowResearch interestsQuantum optomechanics and nanomechanicsEducationPh.D in Physics at Stanford University, USA, 2017. Conducted in Prof. Mark Kasevich's group. Studied quantum metrology using spin squeezed states of atoms.M.Sci. in Experimental and Theoretical Physics at Cambridge University, UK, 2010B.A. in Natural Sciences at Cambridge University, UK, 2009

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https://people.epfl.ch/nils.engelsen

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https://people.epfl.ch/nils.engelsen

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Related publications (25)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Motional Sideband Asymmetry of a Solid-State Mechanical Resonator at Room Temperature

Tobias Kippenberg, Nils Johan Engelsen, Alberto Beccari, Amirali Arabmoheghi, Guanhao Huang

The motional sideband asymmetry of a mechanical oscillator interacting with a laser field can be observed when approaching the quantum ground state, where the zero-point energy of the mechanical oscillator becomes a sizable contribution to its motion. In t ...

2025

Ultrahigh-quality-factor micro- and nanomechanical resonators using dissipation dilution

Tobias Kippenberg, Nils Johan Engelsen, Alberto Beccari

Mechanical resonators are widely used in sensors, transducers and optomechanical systems, where mechanical dissipation sets the ultimate limit to performance. Over the past 15 years, the quality factors in strained mechanical resonators have increased by f ...

Nature Portfolio2024

Room-temperature quantum optomechanics using an ultralow noise cavity

Tobias Kippenberg, Nils Johan Engelsen, Alberto Beccari, Guanhao Huang

At room temperature, mechanical motion driven by the quantum backaction of light has been observed only in pioneering experiments in which an optical restoring force controls the oscillator stiffness1,2. For solid-state mechanical resonators in which oscil ...

Nature Portfolio2024